The document provides 26 rules for subject-verb agreement in English grammar. Some key rules include:
- The verb must agree with the subject, not other words in the sentence.
- For subjects joined by "and", the verb is plural unless they are considered a single unit.
- Collective nouns can take a singular or plural verb depending on if the group or individuals are referred to.
- Nouns like "scissors" that have plural forms but no singular form take plural verbs.
- Expressions of quantity or measurements are usually plural.